Carving roller cutter with cutter head convenient to replace

By designing adjustable connecting components, the rapid replacement of the cutting head of the carving roller is achieved, which solves the problem of the wear of the cutting head in the prior art that the overall cutting handle needs to be replaced, simplifies the carrying and use of multiple cutting heads, and reduces the space Inconvenient to occupy and carry.

CN222451806UActive Publication Date: 2025-02-11KUSN SANHEXING LASER MOLD
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Patent Information

Application Number
CN202421065582.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-02-11
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

The cutting head and handle of the existing engraving roller knife are integrated, which causes replacement to be carried out together with the handle when the cutting head is worn, and multiple types of cutting heads are required during the engraving process, resulting in large space and inconvenient portability. .

Method used

An engraving roller knife including a roller blade, a blade head and a connecting assembly is designed, and the adjustment assembly in the connecting assembly drives the card block to achieve rapid replacement of the blade head.

Benefits of technology

It realizes rapid replacement of the cutting head, avoids the waste of replacing the overall tool holder due to wear of the cutting head, simplifies the carrying and use of various cutting heads, and reduces the problem of space occupation and inconvenience in carrying.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a carving roller cutter with a cutter head convenient to replace, and relates to the technical field of carving roller cutters, the carving roller cutter comprises a roller cutter bar, the cutter head and a connecting assembly, and the roller cutter bar and the cutter head are connected through the connecting assembly. According to the carving roller cutter with the cutter head convenient to replace, when the cutter head needs to be replaced, the two clamping blocks are driven by the adjusting assembly to move, so that the clamping blocks leave the interior of the clamping groove, then the replaced cutter head is taken out downwards, a new cutter head is replaced, the fixing block extends into the fixing groove, and then the two clamping blocks are driven by the adjusting assembly; the problems that a tool bit and a tool handle of an existing carving roller cutter are mostly of an integrated structure, when the tool bit is abraded and cannot be used, the tool bit and the tool handle need to be replaced together, multiple types of tool bits need to be used in cooperation in the carving process, the integrated carving roller cutter is large in occupied space, the machining cost is low, and the like are solved. And a plurality of handles are inconvenient to carry.
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Description

Technical Field

[0001] The present application relates to the technical field of engraving roller cutters, and in particular to an engraving roller cutter with a cutter head that is easy to replace. Background Art

[0002] Engraving roller cutters refer to various cutting-edge steel engraving tools. Some of the cutter heads of engraving roller cutters have an elliptical cross-section, while others have a diamond cross-section, and the top is an oblique tip. The top of a tool with a rectangular cross-section is an oblique surface, which can be blunt, round, or pointed. The tip and width of the blade are determined by the depth and width of the line to be engraved. Engraving knives come in various sizes and shapes. The cutter heads and handles of existing engraving roller cutters mostly adopt an integrated structure. When the cutter head is worn to the point of being unusable, it needs to be replaced together with the handle, and multiple types of cutter heads need to be used in conjunction during the engraving process. The integrated engraving roller cutter takes up a large space, and multiple handles are inconvenient to carry. Therefore, those skilled in the art provide an engraving roller cutter that is easy to replace the cutter head to solve the problems raised in the above background technology. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the present application provides an engraving roller cutter with an easy-to-replace cutter head, which solves the problems mentioned in the above background technology.

[0005] (II) Technical solution

[0006] To solve the above-mentioned problem, the present application is implemented through the following technical scheme: an engraving roller cutter with easy replacement of cutter heads, comprising a roller cutter rod, a cutter head and a connecting assembly, wherein the roller cutter rod and the cutter head are connected by a connecting assembly, and the connecting assembly comprises a fixed block, and the fixed block is fixedly installed at the bottom of the roller cutter rod, a fixed seat is fixedly installed on the side of the cutter head close to the fixed block, a fixed groove is provided on the side of the fixed seat close to the fixed block, the fixed seat extends into the fixed groove, and a clamping block is symmetrically connected to the inside of the fixed block through an adjusting assembly, clamping grooves are provided on both sides of the inner wall of the fixed groove and close to the clamping block, through grooves are symmetrically provided inside the fixed block and close to the clamping groove, and the clamping block extends through the through groove to the inside of the clamping groove.

[0007] By adopting the above technical solution, when the cutter head needs to be replaced, the two clamping blocks are moved by the adjusting component so that the clamping blocks leave the inside of the clamping slot, and then the replaced cutter head is taken out downward and replaced with a new cutter head, the fixing block is extended into the inside of the fixing slot, and then the two clamping blocks are driven by the adjusting component to move the clamping blocks into the inside of the clamping slot to complete the replacement of the cutter head. This is simple and fast, and solves the problem that the cutter head of the existing engraving roller cutter mostly adopts an integrated structure. When the cutter head is worn to the point of being unusable, it needs to be replaced together with the cutter handle, and multiple types of cutter heads need to be used in combination during the engraving process. The integrated engraving roller cutter occupies a large space and multiple handles are inconvenient to carry.

[0008] Preferably, the adjustment component includes a slide groove, which is opened inside the fixed block, and a rotating groove is opened inside the roller cutter rod and close to the fixed block, the slide groove and the rotating groove are connected by a limit groove, the top ends of the two clamping blocks extend into the rotating groove, a bidirectional lead screw is rotatably connected inside the rotating groove, both ends of the bidirectional lead screw pass through the clamping block and are threadedly connected to the clamping block, a worm gear is fixedly installed in the middle of the outer side of the bidirectional lead screw, the rotating groove is connected with a worm via a rotating rod, and the worm gear is meshingly connected to the worm gear.

[0009] By adopting the above technical solution, when in use, an adjustment component is set up, in which the rotation of the rotating rod is used to drive the rotation of the worm, and then through the meshing connection between the worm and the worm wheel, it is used to drive the rotation of the bidirectional lead screw, and further two clamping blocks extend into the inside of the clamping slot, which is simple and fast.

[0010] Preferably, an annular groove is provided on the outside of the roller cutter rod and close to the rotating rod, one end of the rotating rod extends into the annular groove and is fixedly installed with a rotating block, the outer wall of the rotating block is rotatably connected to the inner wall of the annular groove, an adjustment groove is provided on the side of the rotating block away from the rotating rod, and the top of the roller cutter rod is connected to an adjusting rod through a fixed component.

[0011] By adopting the above technical solution, when in use, the adjusting rod extends into the adjusting slot, which is convenient for driving the rotating block to rotate, and is more convenient for driving the worm to rotate for adjusting the two clamping blocks.

[0012] Preferably, the fixing assembly includes an installation groove, which is opened on one side of the top of the roller cutter rod, and the adjusting rod is placed inside the installation groove. A fixing plate is rotatably connected to one side of the top of the roller cutter rod, and a bolt is threadedly connected to one end of the fixing plate away from the rotating shaft. The end of the bolt close to the roller cutter rod extends into the interior of the roller cutter rod and is threadedly connected to the roller cutter rod.

[0013] By adopting the above technical solution, a fixing assembly is set up, and the bolt is rotated to leave the inside of the roller cutter rod, and then the fixing plate is rotated to facilitate the removal of the adjusting rod for rotating the rotating block. After the cutter head is replaced, the adjusting rod is placed in the mounting groove, and then reset by rotating the fixing plate, and the bolt is rotated to extend to the inside of the roller cutter rod to complete the fixation of the adjusting rod.

[0014] Preferably, a positioning ring is fixedly installed on one side of the fixing seat close to the roller cutter rod, a positioning groove is opened on one side of the roller cutter rod close to the positioning ring, the positioning ring extends into the positioning groove, and the clamping block is slidably connected to the limiting groove.

[0015] By adopting the above technical solution, the positioning ring is extended to the inside of the positioning groove, which is beneficial to the fixed positioning of the cutter head, and the provided clamping block is slidably connected with the limit groove, which is beneficial to prevent the rotation of the bidirectional lead screw from driving the clamping block to rotate, and the use is more stable.

[0016] (III) Beneficial effects

[0017] The present application provides an engraving roller cutter with a convenient tool head replacement. The beneficial effects are as follows:

[0018] The engraving roller cutter with easy replacement of the cutter head can drive the two clamping blocks to move when the cutter head needs to be replaced by adjusting the component, so that the clamping blocks leave the inside of the clamping slot, then take out the replaced cutter head downward, replace it with a new cutter head, extend the fixing block into the inside of the fixing slot, and then drive the two clamping blocks by adjusting the component to move the fixing blocks into the inside of the clamping slot to complete the replacement of the cutter head. The method is simple and fast, and solves the problem that the cutter head of the existing engraving roller cutter and the handle of the cutter head mostly adopt an integrated structure, and when the cutter head is worn out and cannot be used, it needs to be replaced together with the handle, and multiple types of cutter heads need to be used in combination during the engraving process, and the integrated engraving roller cutter occupies a large space and has the problem that multiple handles are inconvenient to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of the entire application;

[0020] Figure 2 A three-dimensional split cross-sectional view of the entire application;

[0021] Figure 3 A partial three-dimensional cross-sectional view of the entire application;

[0022] Figure 4 for Figure 2 The enlarged view of point A in the middle;

[0023] Figure 5 for Figure 3 Enlarged view of point B in the middle.

[0024] In the figure: 1. roller knife bar; 2. knife head; 3. connecting assembly; 31. fixing block; 32. fixing seat; 33. fixing groove; 34. adjusting assembly; 341. sliding groove; 342. rotating groove; 343. limiting groove; 344. bidirectional screw; 345. worm gear; 346. rotating rod; 347. worm; 348. annular groove; 349. rotating block; 35. clamping block; 36. clamping groove; 37. through groove; 38. positioning ring; 39. positioning groove; 4. fixing assembly; 41. mounting groove; 42. fixing plate; 43. bolt; 5. adjusting rod. DETAILED DESCRIPTION

[0025] The present application is further described in detail below through drawings and examples.

[0026] Reference Figures 1 to 5 The embodiment of the present application provides an engraving roller cutter that is easy to replace the cutter head, including a roller cutter rod 1, a cutter head 2 and a connecting component 3. The roller cutter rod 1 and the cutter head 2 are connected by the connecting component 3. The connecting component 3 includes a fixing block 31. The fixing block 31 is fixedly installed at the bottom of the roller cutter rod 1. A fixing seat 32 is fixedly installed on the side of the cutter head 2 close to the fixing block 31. A fixing groove 33 is opened on the side of the fixing seat 32 close to the fixing block 31. The fixing seat 32 extends into the inside of the fixing groove 33. A clamping block 35 is symmetrically connected to the inside of the fixing block 31 through an adjusting component 34. Clamping grooves 36 are opened on both sides of the inner wall of the fixing groove 33 and close to the clamping block 35. Through grooves 37 are symmetrically opened inside the fixing block 31 and close to the clamping groove 36. The clamping block 35 passes through the through groove 37 extends to the inside of the card slot 36; when the cutter head 2 needs to be replaced, the two card blocks 35 are moved by the adjustment component 34, so that the card blocks 35 leave the inside of the card slot 36, and then the replaced cutter head 2 is taken out downward, and a new cutter head 2 is replaced, the fixing block 31 is extended to the inside of the fixing groove 33, and then the two card blocks 35 are driven by the adjustment component 34 to move the card blocks 35 to the inside of the card slot 36 to complete the replacement of the cutter head 2. The method is simple and fast, and solves the problem that the cutter head of the existing engraving roller cutter mostly adopts an integrated structure. When the cutter head is worn to the point of being unusable, it needs to be replaced together with the cutter handle, and multiple types of cutter heads need to be used in combination during the engraving process. The integrated engraving roller cutter occupies a large space and multiple handles are inconvenient to carry.

[0027] Furthermore, the adjustment component 34 includes a slide groove 341, which is opened inside the fixed block 31, and a rotation groove 342 is opened inside the roller cutter rod 1 and close to the fixed block 31. The slide groove 341 and the rotation groove 342 are connected through a limit groove 343. The top ends of the two clamping blocks 35 extend into the rotation groove 342. The rotation groove 342 is rotatably connected with a bidirectional screw 344. Both ends of the bidirectional screw 344 pass through the clamping block 35 and are threadedly connected to the clamping block 35. The bidirectional screw 34 A worm wheel 345 is fixedly installed in the middle of the outer side of 4, and a worm 347 is connected to the inside of the rotating groove 342 through a rotating rod 346, and the worm 347 is meshed with the worm wheel 345; when in use, through the provided adjustment component 34, the rotation of the rotating rod 346 is used to drive the worm 347 to rotate, and then through the meshing connection between the worm 347 and the worm wheel 345, it is used to drive the rotation of the bidirectional lead screw 344, and further the two clamping blocks 35 extend into the inside of the clamping groove 36, which is simple and fast.

[0028] Furthermore, an annular groove 348 is provided on the outside of the roller knife rod 1 and close to the rotating rod 346. One end of the rotating rod 346 extends into the inside of the annular groove 348 and is fixedly installed with a rotating block 349. The outer wall of the rotating block 349 is rotatably connected to the inner wall of the annular groove 348. An adjustment groove is provided on the side of the rotating block 349 away from the rotating rod 346. The top of the roller knife rod 1 is connected to an adjusting rod 5 through a fixing component 4. When in use, the adjusting rod 5 extends into the inside of the adjusting groove, which is convenient for driving the rotating block 349 to rotate, and is more convenient for driving the worm 347 to rotate for adjusting the two clamping blocks 35.

[0029] Furthermore, the fixing component 4 includes a mounting groove 41, which is opened on one side of the top of the roller cutter rod 1, and the adjusting rod 5 is placed inside the mounting groove 41. A fixing plate 42 is rotatably connected to one side of the top of the roller cutter rod 1, and a bolt 43 is threadedly connected to the end of the fixing plate 42 away from the rotating shaft. The end of the bolt 43 close to the roller cutter rod 1 extends to the inside of the roller cutter rod 1 and is threadedly connected to the roller cutter rod 1; the fixing component 4 is set, and the bolt 43 is rotated to leave the inside of the roller cutter rod 1, and then the fixing plate 42 is rotated to facilitate the removal of the adjusting rod 5 for rotating the rotating block 349, and after the replacement of the cutter head 2 is completed, the adjusting rod 5 is placed inside the mounting groove 41, and then reset by rotating the fixing plate 42, and the bolt 43 is rotated to extend to the inside of the roller cutter rod 1 to complete the fixation of the adjusting rod 5.

[0030] Furthermore, a positioning ring 38 is fixedly installed on one side of the fixed seat 32 close to the roller cutter rod 1, and a positioning groove 39 is opened on one side of the roller cutter rod 1 close to the positioning ring 38. The positioning ring 38 extends into the interior of the positioning groove 39, and the clamping block 35 is slidably connected with the limiting groove 343; the positioning ring 38 is extended into the interior of the positioning groove 39, which is beneficial to the fixed positioning of the cutter head 2, and the clamping block 35 is slidably connected with the limiting groove 343, which is beneficial to prevent the rotation of the two-way screw 344 from driving the clamping block 35 to rotate, and the use is more stable.

[0031] All electrical equipment in this solution are powered by an external power supply.

[0032] Working principle: when the cutter head 2 needs to be replaced, the two clamping blocks 35 are moved by the adjusting component 34 so that the clamping blocks 35 leave the inside of the clamping slot 36, and then the replaced cutter head 2 is taken out downwards and replaced with a new cutter head 2, the fixing block 31 is extended to the inside of the fixing slot 33, and then the two clamping blocks 35 are driven by the adjusting component 34 to move the clamping blocks 35 to the inside of the clamping slot 36 to complete the replacement of the cutter head 2. This is simple and fast, and solves the problem that the cutter head of the existing engraving roller cutter mostly adopts an integrated structure. When the cutter head is worn to the point of being unusable, it needs to be replaced together with the cutter handle, and multiple types of cutter heads need to be used in combination during the engraving process. The integrated engraving roller cutter occupies a large space and multiple handles are inconvenient to carry.

[0033] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An engraving roller cutter with a conveniently replaceable cutter head, comprising a roller cutter bar (1), a cutter head (2) and a connecting assembly (3), characterized in that: The roller cutter bar (1) and the cutter head (2) are connected via a connecting assembly (3). The connecting assembly (3) comprises a fixed block (31). The fixed block (31) is fixedly mounted on the bottom of the roller cutter bar (1). A fixed seat (32) is fixedly mounted on a side of the cutter head (2) close to the fixed block (31). A fixed groove (33) is provided on a side of the fixed seat (32) close to the fixed block (31). The fixed seat (32) extends into the interior of the fixed groove (33). A clamping block (35) is symmetrically connected to the interior of the fixed block (31) via an adjusting assembly (34). Clamping grooves (36) are provided on both sides of the inner wall of the fixed groove (33) close to the clamping block (35). Through grooves (37) are symmetrically provided inside the fixed block (31) close to the clamping groove (36). The clamping block (35) passes through the through groove (37) and extends into the interior of the clamping groove (36).

2. The engraving roller cutter with easy-to-replace cutter head according to claim 1, characterized in that: The adjusting assembly (34) comprises a slide groove (341), wherein the slide groove (341) is provided inside the fixed block (31), and a rotation groove (342) is provided inside the roller cutter rod (1) and close to the fixed block (31). The slide groove (341) and the rotation groove (342) are connected via a limit groove (343), and the top ends of the two clamping blocks (35) extend into the rotation groove (342). A bidirectional lead screw (344) is rotatably connected inside the rotation groove (342), and both ends of the bidirectional lead screw (344) pass through the clamping block (35) and are threadedly connected to the clamping block (35). A worm gear (345) is fixedly installed in the middle of the outer side of the bidirectional lead screw (344), and a worm (347) is connected inside the rotation groove (342) via a rotation rod (346), and the worm gear (347) is meshingly connected to the worm gear (345).

3. The engraving roller cutter with easy-to-replace cutter head according to claim 2, characterized in that: An annular groove (348) is provided on the outside of the roller blade rod (1) and close to the rotating rod (346); one end of the rotating rod (346) extends into the annular groove (348) and is fixedly mounted with a rotating block (349); the outer wall of the rotating block (349) is rotatably connected to the inner wall of the annular groove (348); an adjustment groove is provided on the side of the rotating block (349) away from the rotating rod (346); and the top of the roller blade rod (1) is connected to an adjustment rod (5) via a fixing component (4).

4. The engraving roller cutter with easy-to-replace cutter head according to claim 3, characterized in that: The fixing assembly (4) comprises a mounting groove (41), wherein the mounting groove (41) is provided on one side of the top of the roller cutter bar (1), the adjusting rod (5) is placed inside the mounting groove (41), and the top of the roller cutter bar (1) is rotatably connected to a fixing plate (42), an end of the fixing plate (42) away from the rotating shaft is threadedly connected to a bolt (43), and an end of the bolt (43) close to the roller cutter bar (1) extends into the interior of the roller cutter bar (1) and is threadedly connected to the roller cutter bar (1).

5. The engraving roller cutter with easy-to-replace cutter head according to claim 2, characterized in that: A positioning ring (38) is fixedly mounted on one side of the fixed seat (32) close to the roller cutter rod (1); a positioning groove (39) is provided on one side of the roller cutter rod (1) close to the positioning ring (38); the positioning ring (38) extends into the interior of the positioning groove (39); and the clamping block (35) is slidably connected to the limiting groove (343).